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Author SHA1 Message Date
Devang Patel
cf0db71b85 Do not construct debug scope if RootScope *is* null. 
llvm-svn: 62209
 2009-01-14 01:34:32 +00:00
Ted Kremenek
da4930d361 Add member template MallocAllocator::Allocate(Num) (to match the same function in BumpPtrAllocator). 
llvm-svn: 62202
 2009-01-14 00:38:21 +00:00
Chris Lattner
2461d79aa9 rewrite OptimizeAwayTrappingUsesOfLoads to 1) avoid a temporary 
vector and extraneous loop over it, 2) not delete globals used by
phis/selects etc which could actually be useful.  This fixes PR3321.
Many thanks to Duncan for narrowing this down.

llvm-svn: 62201
 2009-01-14 00:12:58 +00:00
Devang Patel
1da8253b35 Removoe MachineModuleInfo methods (and related DebugInfoDesc class hierarchy) that were used to handle debug info. 
llvm-svn: 62199
 2009-01-13 23:54:55 +00:00
Nuno Lopes
b5a8a4b4dd fix memleaks 
llvm-svn: 62198
 2009-01-13 23:35:49 +00:00
Dan Gohman
6f5847ccfc BT appears to be available on all >= i386 chips. 
llvm-svn: 62196
 2009-01-13 23:27:15 +00:00
Dan Gohman
9c2ee40c1c Don't use a BT instruction if the AND has multiple uses. 
llvm-svn: 62195
 2009-01-13 23:25:30 +00:00
Dan Gohman
8c835f6285 Disable the register+memory forms of the bt instructions for now. Thanks 
to Eli for pointing out that these forms don't ignore the high bits of
their index operands, and as such are not immediately suitable for use
by isel.

llvm-svn: 62194
 2009-01-13 23:23:30 +00:00
Devang Patel
ba388f3905 Keep "has debug info" big in MachineModuleInfo to avoid circular dependency between AsmPrinter and CodeGen. 
llvm-svn: 62191
 2009-01-13 23:02:17 +00:00
Devang Patel
7a618394f6 Undo previous checkin. 
llvm-svn: 62190
 2009-01-13 22:54:57 +00:00
Dale Johannesen
e458c47a74 Fix testsuite regressions from recursive inlining. 
llvm-svn: 62189
 2009-01-13 22:43:37 +00:00
Devang Patel
e0f23e966d Use DwarfWriter to record dbg variables. 
llvm-svn: 62185
 2009-01-13 21:44:10 +00:00
Devang Patel
ab5ef6abf1 Use dwarf writer to decide whether the module has debug info or not. 
llvm-svn: 62184
 2009-01-13 21:25:00 +00:00
Dan Gohman
15e69a394a Add bt instructions that take immediate operands. 
llvm-svn: 62180
 2009-01-13 20:33:23 +00:00
Dan Gohman
e84cfeac5f Fix a few more JIT encoding issues in the BT instructions. 
llvm-svn: 62179
 2009-01-13 20:32:45 +00:00
Dan Gohman
f94a4aba16 Use assertions to check for conditions that should never happen. 
llvm-svn: 62178
 2009-01-13 20:25:24 +00:00
Dan Gohman
9e9858781c The list-td and list-tdrr schedulers don't yet support physreg 
scheduling dependencies. Add assertion checks to help catch
this.

It appears the Mips target defaults to list-td, and it has a
regression test that uses a physreg dependence. Such code was
liable to be miscompiled, and now evokes an assertion failure.

llvm-svn: 62177
 2009-01-13 20:24:13 +00:00
Dan Gohman
958861e65e Make instcombine ensure that all allocas are explicitly aligned at at 
least their preferred alignment.

llvm-svn: 62176
 2009-01-13 20:18:38 +00:00
Sanjiv Gupta
b712a41535 Checking in conditionals, function call, arrays and libcalls implementation. 
llvm-svn: 62174
 2009-01-13 19:18:47 +00:00
Dan Gohman
c7fe713e72 Avoid referring to edge D after the Succs or Preds arrays have 
been modified, to avoid trouble in the (unlikely) scenario that
D is a reference to an element in one of those arrays.

llvm-svn: 62173
 2009-01-13 19:08:45 +00:00
Duncan Sands
975f2428ba When replacing uses and the same node is reached 
via two paths, process it once not twice, d'oh!
Analysis, testcase and original patch thanks to
Mon Ping Wang.

llvm-svn: 62169
 2009-01-13 15:17:14 +00:00
Duncan Sands
21b6c02d9d Mark this XFAIL for the moment. 
llvm-svn: 62168
 2009-01-13 15:15:46 +00:00
Duncan Sands
439d97a6cb Fix some typos. Also, the WidenedVectors map 
was not being cleaned by ExpungeNode.

llvm-svn: 62167
 2009-01-13 14:42:39 +00:00
Duncan Sands
8267463dec Correct a comment - this is not a sign extension. 
llvm-svn: 62166
 2009-01-13 14:04:14 +00:00
Duncan Sands
661959b54e Correct a comment. 
llvm-svn: 62165
 2009-01-13 13:48:44 +00:00
Nick Lewycky
911bb6122c Wind SCEV back in time, to Nov 18th. This 'fixes' PR3275, PR3294, PR3295, 
PR3296 and PR3302.

llvm-svn: 62160
 2009-01-13 09:18:58 +00:00
Chris Lattner
70d79bbe85 add a new insertAfter method, patch by Tom Jablin! 
llvm-svn: 62158
 2009-01-13 07:43:51 +00:00
Chris Lattner
50de4f0704 make -march=cpp handle the nocapture attribute, make it assert if it 
sees attributes it doesn't know.

llvm-svn: 62155
 2009-01-13 07:22:22 +00:00
Evan Cheng
6fd76e738c Un-tabify. 
llvm-svn: 62151
 2009-01-13 06:08:37 +00:00
Owen Anderson
fee3404e0f Fix fallout from r62144. Evan, please double check this. 
llvm-svn: 62150
 2009-01-13 06:05:10 +00:00
Evan Cheng
a706a020bc FIX llvm-gcc bootstrap on x86_64 linux. If a virtual register is copied to a physical register, it's not necessarily defined by a copy. We have to watch out it doesn't clobber any sub-register that might be live during its live interval. If the live interval crosses a basic block, then it's not safe to check with the less conservative check (by scanning uses and defs) because it's possible a sub-register might be live out of the block. 
llvm-svn: 62144
 2009-01-13 03:57:45 +00:00
Devang Patel
eed0505ed8 Use DebugInfo interface to lower dbg_* intrinsics. 
llvm-svn: 62127
 2009-01-13 00:35:13 +00:00
Devang Patel
6d7fd4b913 Use DebugInfo interface to lower dbg_* intrinsics. 
llvm-svn: 62126
 2009-01-13 00:32:17 +00:00
Devang Patel
13a43a3789 Start using DebugInfo API to emit debug info. 
llvm-svn: 62125
 2009-01-13 00:20:51 +00:00
Dan Gohman
276142c95b Document several current CodeGen limitations in LangRef.html. 
Patches for any of these are welcome!

llvm-svn: 62120
 2009-01-12 23:12:39 +00:00
Devang Patel
68ef0f4ecb Emit debug info, only if at least one compile unit is seen. 
llvm-svn: 62118
 2009-01-12 23:09:42 +00:00
Devang Patel
4379343f92 If multiple compile units are seen then emit them independently. In other words, do not force all DIEs into first, whatever it is, compile unit. 
Note, multiple compile unit support is not well tested (it did not work correctly until now anyway.)

llvm-svn: 62116
 2009-01-12 23:05:55 +00:00
Devang Patel
283436f4b9 Avoid cast<>, use light weith wrapper directly. 
llvm-svn: 62115
 2009-01-12 22:58:14 +00:00
Devang Patel
261d3cb2af Use SrcLineInfo from DwarfWriter. The MachineModuleInfo copy will disappear soon. 
llvm-svn: 62114
 2009-01-12 22:54:42 +00:00
Dale Johannesen
12bb54e183 Enable recursive inlining. Reduce inlining threshold 
back to 200; 400 seems to be too high, loses more than
it gains.

llvm-svn: 62107
 2009-01-12 22:11:50 +00:00
Devang Patel
78077adf03 Add classof() methods to support isa<> and other related facilities. 
llvm-svn: 62104
 2009-01-12 21:38:43 +00:00
Dan Gohman
bdb0a5b773 The LLVM Assembly Language Reference incorrectly stated that the 
prefix used for dll{import,export} is _imp__; it is actually __imp_.
Patch by Mahadevan R!

llvm-svn: 62103
 2009-01-12 21:35:55 +00:00
Dan Gohman
b9e5badcf9 Fix the instructions to work even when PATH does not contain ".". 
Thanks to Martin Geisse for pointing this out!

llvm-svn: 62102
 2009-01-12 21:29:24 +00:00
Duncan Sands
bcdbfb63dc Rename getABITypeSize to getTypePaddedSize, as 
suggested by Chris.

llvm-svn: 62099
 2009-01-12 20:38:59 +00:00
Devang Patel
27f9c78c56 Add DwarfWriter interface to mainipulate source location info. 
( May be this info should be directly handled by the dwarf writer ? )

llvm-svn: 62096
 2009-01-12 19:17:34 +00:00
Chris Lattner
e53b562bee remove some dead options. 
llvm-svn: 62095
 2009-01-12 19:02:50 +00:00
Devang Patel
149d412a0e Clear debug info at the end of function processing. 
llvm-svn: 62092
 2009-01-12 18:48:36 +00:00
Devang Patel
89a815941c There is no need to maintain separate labelid list in the dwarf writer. It is not a good idea. 
llvm-svn: 62090
 2009-01-12 18:41:00 +00:00
Rafael Espindola
2fed481c49 Remove some dead code from the days llvm had type planes. 
There might be more dead code, but with llvm-gcc bootstrap broken on linux x86-64 it is had to test :-(

llvm-svn: 62088
 2009-01-12 15:53:25 +00:00
Evan Cheng
4479171ba3 Second test is only valid in 32-bit mode. 
llvm-svn: 62084
 2009-01-12 08:05:54 +00:00